Stand straight, shoulders back, bitch-beams set to "stun" - for we are in the presence of Ms Joan Collins, who, as Alexis Colby-Carrington, committed murder while wearing a tam-o'-shanter, then proposed to a billionaire in a coma.

They're using a munition colloquially call a stun grenade, not concussion grenade, that has a brilliant flash and also about three to five pounds of over-pressure that stuns everybody inside the building so that target discrimination can be conducted.